2/3 c. butter
2/3 c. chunky style peanut butter
6 c. powdered sugar
1/3 c. milk
1 tbsp. vanilla

In large bowl, place butter and peanut butter. Microwave on high until butter melts, 1 1/2 to 2 minutes. Stir until blended. Add remaining ingredients. Stir until lumps of sugar disappear. Microwave on high until softened but not bubbly, 1 to 1 1/2 minutes. Stir. Pour into buttered 9-inch square baking pan. Cover; refrigerate at least 1 hour. Store refrigerated. Makes 36 (1 1/2 inch) candies.